County Townships Open for 2026 Property Tax Year:
Tax Appeals Lake County deadlines prior to County.
Lake County Tax Appeal Deadline Dates:
Antioch: CLOSED
Avon: CLOSED
Benton: CLOSED
Cuba: CLOSED
Ela: CLOSED
Fremont: CLOSED
Grant: CLOSED
Lake Villa: CLOSED
Libertyville: CLOSED
Moraine: CLOSED
Newport: CLOSED
Shields: November 2nd
Vernon: October 26th
Warren: CLOSED
Wauconda: CLOSED
Waukegan: CLOSED
West Deerfield: CLOSED
Zion: CLOSED
McHenry County Tax Appeal Deadline Dates:
Chemung: CLOSED
Alden: October 22nd
Burton: November 6th
Hebron: November 12th
Richmond: CLOSED
Dunham: OPEN
Hartland: CLOSED
Greenwood: CLOSED
McHenry: CLOSED
Marengo: OPEN
Seneca: November 6th
Dorr: CLOSED
Nunda: October 26th
Riley: OPEN
Coral: CLOSED
Grafton: CLOSED
Algonquin: November 16th
DuPage County Tax Appeal Deadline Dates:
Addison: CLOSED
Bloomingdale: October 26th
Downers Grove: November 2nd
Lisle: November 9th
Milton: November 9th
Naperville: CLOSED
Wayne: CLOSED
Winfield: OPEN
York: CLOSED